What is the cheapest airline that flies from Ohio to Ontario?

Frontier, Hawaiian Airlines, and Delta are the most popular carriers operating from Ohio to Ontario

What airlines fly to Ontario?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Ontario from Ohio according to our data. United Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Ontario?

Average flight duration from Ohio to Ontario depends on which airport you fly into and out of. Flying from Cincinnati to Los Angeles is 4h 30m on average, while flying from Columbus to Los Angeles is 4h 41m on average. Los Angeles is the most popular airport in Ontario.

When did momondo last update prices for flights from Ohio to Ontario Airport?

Prices for flights from Ohio to Ontario Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Ohio to Ontario Airport?

As of August 2025, there are 6 operators available to choose from for flights from Ohio to Ontario Airport.

How old do you have to be to fly from Ohio to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ohio to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$119 Cheap Flights from Ohio to Ontario in 2025

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Find the cheapest flights from Ohio to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

6:25 pm - 9:56 pmCLE-ONT

6h 31m1 stop

8:00 am - 5:30 pmONT-CLE

6h 30m1 stop

$235Frontier

Find Deal

mer., sept. 10 - mar., sept. 16

6:25 pm - 9:56 pmCLE-ONT

6h 31m1 stop

12:59 am - 4:23 pmONT-CLE

12h 24m1 stop

$238Frontier

Find Deal

sam., sept. 20 - ven., oct. 17

7:15 am - 11:50 pmCVG-ONT

19h 35m1 stop

5:21 pm - 5:08 pmONT-CVG

20h 47m1 stop

$245Frontier

Find Deal

mar., août 12 - mer., août 13

12:53 pm - 9:56 pmCMH-ONT

12h 03m1 stop

8:00 am - 10:45 pmONT-CMH

11h 45m1 stop

$283

Find Deal

sam., sept. 13 - sam., sept. 20

6:00 am - 10:35 amDAY-ONT

7h 35m1 stop

11:45 am - 11:56 pmONT-DAY

9h 11m1 stop

$289Delta

Find Deal

mer., août 27 - sam., août 30

2:49 pm - 6:24 pmCLE-ONT

6h 35m1 stop

12:22 pm - 12:14 amONT-CLE

8h 52m2 stops

$292American Airlines

Find Deal

ven., août 22 - dim., août 24

7:50 am - 11:56 amPIT-ONT

7h 06m1 stop

1:10 pm - 10:55 pmONT-PIT

6h 45m1 stop

$293American Airlines

Find Deal

sam., sept. 20 - sam., sept. 27

7:42 pm - 10:44 amPIT-ONT

18h 02m1 stop

3:06 pm - 6:48 amONT-PIT

12h 42m1 stop

$294Alaska Airlines

Find Deal

ven., sept. 19 - lun., sept. 22

6:15 pm - 10:23 pmCLE-ONT

7h 08m1 stop

1:15 pm - 11:03 pmONT-CLE

6h 48m1 stop

$297Delta

Find Deal

mer., sept. 24 - jeu., oct. 23

6:49 pm - 12:03 amCVG-ONT

8h 14m1 stop

6:00 am - 5:49 pmONT-CVG

8h 49m1 stop

$318Alaska Airlines

Find Deal

sam., oct. 4 - sam., oct. 11

American Airlines flights from Ohio to Ontario

Our best American Airlines deals on Ohio to Ontario flight tickets

American Airlines

Aug 22

CLE2:49 pmCleveland Hopkins Intl

6h 35m

1 stop

ONT6:24 pmOntario

Aug 24

ONT12:22 pmOntario

8h 52m

2 stops

CLE12:14 amCleveland Hopkins Intl

$292

Find similar

American Airlines

Sep 20

PIT7:50 amPittsburgh

7h 06m

1 stop

ONT11:56 amOntario

Sep 27

ONT1:10 pmOntario

6h 45m

1 stop

PIT10:55 pmPittsburgh

$293

Find similar

American Airlines

Aug 27

DAY12:32 pmDayton

8h 52m

1 stop

ONT6:24 pmOntario

Sep 3

ONT6:10 amOntario

11h 51m

2 stops

DAY9:01 pmDayton

$294

Find similar

Frontier flights from Ohio to Ontario

Our best Frontier deals on Ohio to Ontario flight tickets

Frontier

Aug 9

CLE5:44 pmCleveland Hopkins Intl

7h 08m

1 stop

ONT9:52 pmOntario

Aug 16

ONT7:00 amOntario

6h 34m

1 stop

CLE4:34 pmCleveland Hopkins Intl

$216

Find similar

Frontier

Sep 10

CLE6:25 pmCleveland Hopkins Intl

6h 31m

1 stop

ONT9:56 pmOntario

Sep 16

ONT8:00 amOntario

6h 30m

1 stop

CLE5:30 pmCleveland Hopkins Intl

$235

Find similar

Frontier

Sep 20

CLE6:25 pmCleveland Hopkins Intl

6h 31m

1 stop

ONT9:56 pmOntario

Oct 17

ONT12:59 amOntario

12h 24m

1 stop

CLE4:23 pmCleveland Hopkins Intl

$238

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

mer. 9/10

6:25 pm-9:56 pm

1 stop6h 31m

Ontario

mar. 9/16

8:00 am-5:30 pm

1 stop6h 30m

$235

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

sam. 9/20

6:25 pm-9:56 pm

1 stop6h 31m

Ontario

ven. 10/17

12:59 am-4:23 pm

1 stop12h 24m

$238

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

mar. 8/12

7:15 am-11:50 pm

1 stop19h 35m

Ontario

mer. 8/13

5:21 pm-5:08 pm

1 stop20h 47m

$245

ColumbusOntario

CMH - ONT

CMHONT

Columbus

sam. 9/13

12:53 pm-9:56 pm

1 stop12h 03m

Ontario

sam. 9/20

8:00 am-10:45 pm

1 stop11h 45m

$283

DaytonOntario

DAY - ONT

DAYONT

Dayton

mer. 8/27

6:00 am-10:35 am

1 stop7h 35m

Ontario

sam. 8/30

11:45 am-11:56 pm

1 stop9h 11m

$289

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

ven. 8/22

2:49 pm-6:24 pm

1 stop6h 35m

Ontario

dim. 8/24

12:22 pm-12:14 am

2 stops8h 52m

$292

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

sam. 9/20

7:50 am-11:56 am

1 stop7h 06m

Ontario

sam. 9/27

1:10 pm-10:55 pm

1 stop6h 45m

$293

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

ven. 9/19

7:42 pm-10:44 am

1 stop18h 02m

Ontario

lun. 9/22

3:06 pm-6:48 am

1 stop12h 42m

$294

ClevelandOntario

CLE - ONT

CLEONT

Cleveland Hopkins Intl

mer. 9/24

6:15 pm-10:23 pm

1 stop7h 08m

Ontario

jeu. 10/23

1:15 pm-11:03 pm

1 stop6h 48m

$297

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

sam. 10/4

6:49 pm-12:03 am

1 stop8h 14m

Ontario

sam. 10/11

6:00 am-5:49 pm

1 stop8h 49m

$318

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ohio to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Ohio to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $296. If you aren’t able to travel during the month of February, then book flights to Ontario from Ohio during August instead. Flights to Ontario in August, while not as cheap as those in February, still average around $308.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $337. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ohio to Ontario for around $488.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from Ohio to Ontario when you can find flight prices for as low as $307. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $380 on average. Flights to Ontario from Ohio in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from Ohio when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $353 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Ohio for as low as $247 on momondo.

Cheap Ohio to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ohio to Ontario

Best Price Found	$119
Fastest flight time	5h 58m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from Ohio in the past 72 hours is $119. The best round-trip flight deal from Ohio to Ontario found on momondo in the last 72 hours is $235.

The fastest flight from Ohio to Ontario takes 5h 58m

There are no direct flights from Ohio to Ontario. Popular non-direct routes for this connection are Cleveland Hopkins Intl Airport - Ontario Airport, Detroit Metropolitan Wayne County Airport - Ontario Airport and Pittsburgh Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

Search flight deals

When did momondo last update prices for flights from Ohio to Ontario Airport?
Prices for flights from Ohio to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ohio to Ontario Airport?
As of August 2025, there are 6 operators available to choose from for flights from Ohio to Ontario Airport.
How old do you have to be to fly from Ohio to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ohio to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ohio to Ontario

Compare and see reviews for airlines that fly from Ohio to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $146	Free Cancellation	Rating 5.8 3,241 reviews	Search Frontier flights
United Airlines	PriceFrom $228	Free Cancellation	Rating 7.4 8,904 reviews	Search United Airlines flights
Delta	PriceFrom $230	Free Cancellation	Rating 8.0 7,983 reviews	Search Delta flights
American Airlines	PriceFrom $250	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $341	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Ohio to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ohio to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ohio to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Ohio with this policy.

How can momondo help me find flights from Ohio to Ontario?

momondo helps you find the best flight between Ohio and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ohio to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ohio to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.